Vulnerability · Published Apr 17, 2023 · Assigned by juniper
CVE-2023-28981Junos OS and Junos OS Evolved: If malformed IPv6 router advertisements are received, memory corruption will occur which causes an rpd crash
Medium 6.5
In plain English
A medium-severity improper input validation in Junos OS from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Official description
An Improper Input Validation vulnerability in the kernel of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). If the receipt of router advertisements is enabled on an interface and a specifically malformed RA packet is received, memory corruption will happen which leads to an rpd crash. This issue affects: Juniper Networks Junos OS 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S3; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R2; 22.1 versions prior to 22.1R2. Juniper Networks Junos OS Evolved 20.3-EVO version 20.3R1-EVO and later versions; 20.4-EVO versions prior to 20.4R3-S6-EVO; 21.3-EVO versions prior to 21.3R3-EVO; 21.4-EVO versions prior to 21.4R2-EVO; 22.1-EVO versions prior to 22.1R2-EVO.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Juniper Networks | Junos OS | 20.3 – before 20.3R3-S520.4 – before 20.4R3-S3, 20.4R3-S621.1 – before 21.1R3-S421.2 – before 21.2R321.3 – before 21.3R321.4 – before 21.4R222.1 – before 22.1R2 |
| Juniper Networks | Junos OS Evolved | 20.3R1-EVO – before 20.3-EVO*20.4-EVO – before 20.4R3-S6-EVO21.3-EVO – before 21.3R3-EVO21.4-EVO – before 21.4R2-EVO22.1-EVO – before 22.1R2-EVO |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H